138761-98-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 138761-98-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,7,6 and 1 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 138761-98:
(8*1)+(7*3)+(6*8)+(5*7)+(4*6)+(3*1)+(2*9)+(1*8)=165
165 % 10 = 5
So 138761-98-5 is a valid CAS Registry Number.
138761-98-5Relevant academic research and scientific papers
Ready Alcoholysis of the Cycloadducts (Urazole) of 4-Phenyl-1,2,4-triazole-3,5-dione by Solvent-assisted Backbone Participation
Kazuyoshi, Seguchi,Tanaka, Satoko
, p. 2883 - 2884 (2007/10/02)
A series of urazoles containing αβ-carbonyl groups underwent ready alcoholysis by solvent-assisted backbone participation in the presence of potassium hydroxide to give oxazolinones.